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  1. Article ; Online: Crystallizing galactocele: A rare case report and review of literature.

    Verma, Nisha / Gaur, Nimish / Awasthi, Shivali / Bajaj, Varun / Sharma, Surabhi / Mahajan, Saurabh

    Indian journal of pathology & microbiology

    2024  

    Abstract: Abstract: Crystallizing galactocele is an uncommon condition that produces a viscous, chalky substance on fine needle aspiration cytology. (FNAC). Both the diagnosis and the management of this illness include the use of FNAC. Here, we discuss the case ... ...

    Abstract Abstract: Crystallizing galactocele is an uncommon condition that produces a viscous, chalky substance on fine needle aspiration cytology. (FNAC). Both the diagnosis and the management of this illness include the use of FNAC. Here, we discuss the case of a 25-year-old nursing woman who experienced left breast edema lump for two years. The upper outer quadrant of the leftt breast was involved by the hard, small, non-tender, and movable enlargement. The lesion's FNAC produced a thick, milky, and chalky substance. Numerous semi-transparent crystals of various sizes and shapes with angulated edges could be seen in cytological smears against a background of granular and amorphous proteinaceous material. A diagnosis of crystallizing galactocele was made on the basis of the patient's clinical history of lactation and characteristic cytological findings. Due to the rarity of this condition-to the best of our knowledge, less than ten cases of crystallizing galactocele have been documented in medical literature.
    Language English
    Publishing date 2024-02-19
    Publishing country India
    Document type Journal Article
    ZDB-ID 197621-7
    ISSN 0974-5130 ; 0377-4929
    ISSN (online) 0974-5130
    ISSN 0377-4929
    DOI 10.4103/ijpm.ijpm_278_23
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  2. Article ; Online: Acrylonitrile adducts: design, synthesis and biological evaluation as antimicrobial, haemolytic and thrombolytic agent.

    Das, Parineeta / Devi, Nirmala / Gaur, Nisha / Goswami, Swagata / Dutta, Dhiraj / Dubey, Rama / Puzari, Amrit

    Scientific reports

    2023  Volume 13, Issue 1, Page(s) 6209

    Abstract: In this work, five acrylonitrile adducts were screened for antibacterial activity against Gram-positive Bacillus subtilis, Microbial Type Culture Collection and Gene Bank (MTCC 1305) and Gram-negative Escherichia coli (MTCC 443). Synthesis was followed ... ...

    Abstract In this work, five acrylonitrile adducts were screened for antibacterial activity against Gram-positive Bacillus subtilis, Microbial Type Culture Collection and Gene Bank (MTCC 1305) and Gram-negative Escherichia coli (MTCC 443). Synthesis was followed by aza-Michael addition reaction, where the acrylonitrile accepts an electron pair from the respective amines and results in the formation of n-alkyliminobis-propionitrile and n-alkyliminopropionitrile under microwave irradiation. Characterization of the compounds were performed using Fourier Transform Infrared (FTIR), Proton Nuclear Magnetic Resonance (
    MeSH term(s) Animals ; Mice ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/chemistry ; Acrylonitrile/pharmacology ; Fibrinolytic Agents ; Escherichia coli ; Gram-Negative Bacteria ; Anti-Infective Agents/pharmacology ; Microbial Sensitivity Tests ; Bacillus subtilis
    Chemical Substances Anti-Bacterial Agents ; Acrylonitrile (MP1U0D42PE) ; Fibrinolytic Agents ; Anti-Infective Agents
    Language English
    Publishing date 2023-04-17
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-023-33605-1
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  3. Article: Silver-doped active carbon spheres and their application for microbial decontamination of water.

    Chandra Joshi, Harish / Dutta, Dhiraj / Gaur, Nisha / Singh, G S / Dubey, Rama / Dwivedi, S K

    Heliyon

    2022  Volume 8, Issue 4, Page(s) e09209

    Abstract: Highly efficient and durable, silver nanoparticles doped Active Carbon Spheres ACS(Ag) were synthesized by carbonization and activation of silver exchanged resins. The silver exchanged resins were prepared by exchanging ... ...

    Abstract Highly efficient and durable, silver nanoparticles doped Active Carbon Spheres ACS(Ag) were synthesized by carbonization and activation of silver exchanged resins. The silver exchanged resins were prepared by exchanging H
    Language English
    Publishing date 2022-03-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2022.e09209
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Rare Cause of Anuria in a Patient with Horseshoe Kidney

    Shailendra Singh / Pankaj Beniwal / Nisha Gaur / Manish Sharma / Vinay Rathore / Vinay Malhotra

    Turkish Journal of Nephrology, Vol 31, Iss 2, Pp 183-

    2022  Volume 186

    Keywords Internal medicine ; RC31-1245 ; Pediatrics ; RJ1-570
    Language English
    Publishing date 2022-04-01T00:00:00Z
    Publisher AVES
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Evaluation of water quality index and geochemical characteristics of surfacewater from Tawang India.

    Gaur, Nisha / Sarkar, Arpan / Dutta, Dhiraj / Gogoi, B J / Dubey, Rama / Dwivedi, Sanjai Kumar

    Scientific reports

    2022  Volume 12, Issue 1, Page(s) 11698

    Abstract: In this study,the water samples were collected from 31 sites of Tawang, Arunachal Pradesh, India (North-Eastern Himalaya), during the winter season to check the suitability of water for drinking and irrigation purposes.The study scientifically ... ...

    Abstract In this study,the water samples were collected from 31 sites of Tawang, Arunachal Pradesh, India (North-Eastern Himalaya), during the winter season to check the suitability of water for drinking and irrigation purposes.The study scientifically demonstrates the estimation of Water quality index (WQI) andhydrogeochemical characteristics of surface water samples by utilizing multivariate statistical methods. The main water quality parameters considered for this study were TDS, conductivity, salinity, pH, hardness, cations and anions. WQI was calculated in order to find out the deviation in the water quality parameters particularly with respect to BIS permissible limits.The major influencing factors responsible for the variation in these parameters were derived by using Principal component analysis (PCA) and Correlation matrix.To check the suitability of water for drinking purpose, hydrogeochemical facies and rock water interaction was derived by using well established methods such as Piper Plot (determine water type), WQI (Quality monitoring), and saturation index (for mineral dissolution). The results revealed that the silicate weathering was the main ionic source in comparison to carbonate weathering which is due to the higher dissolution capacity of silicate minerals.The results of the scattered plot between (Ca
    MeSH term(s) Cations/analysis ; Environmental Monitoring/methods ; Groundwater/analysis ; India ; Minerals/analysis ; Sodium/analysis ; Water Pollutants, Chemical/analysis ; Water Quality
    Chemical Substances Cations ; Minerals ; Water Pollutants, Chemical ; Sodium (9NEZ333N27)
    Language English
    Publishing date 2022-07-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-022-14760-3
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  6. Article ; Online: Biochemical and kinetic characterization of laccase and manganese peroxidase from novel

    Gaur, Nisha / Narasimhulu, Korrapati / Y, Pydisetty

    RSC advances

    2018  Volume 8, Issue 27, Page(s) 15044–15055

    Abstract: Laccase (lac) and manganese peroxidase (MnP) enzymes from the ... ...

    Abstract Laccase (lac) and manganese peroxidase (MnP) enzymes from the novel
    Language English
    Publishing date 2018-04-20
    Publishing country England
    Document type Journal Article
    ISSN 2046-2069
    ISSN (online) 2046-2069
    DOI 10.1039/c8ra01204k
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  7. Article ; Online: Recent advances in the elimination of persistent organic pollutants by photocatalysis

    Nisha Gaur / Dhiraj Dutta / Ayushi Singh / Rama Dubey / Dev Vrat Kamboj

    Frontiers in Environmental Science, Vol

    2022  Volume 10

    Abstract: The non-ending needs of growing human population are being met by rapid industrialization and globalization, which have nowadays become an indispensable component of growth. Although these activities have led to phenomenal growth of the human ... ...

    Abstract The non-ending needs of growing human population are being met by rapid industrialization and globalization, which have nowadays become an indispensable component of growth. Although these activities have led to phenomenal growth of the human civilization, at the same time, they have resulted in severe environmental pollution by discharge of highly toxic waste. This waste is severely detrimental not only for the environment but also for the health of the human population. Among different classes of pollutants, one being considered as one of the highly toxic ones is that of persistent organic pollutants (POPs). Advanced oxidation technologies (AOTs) play a major role in the degradation of pollutants by converting organic pollutants into CO2, H2O, and mineralized inorganic ions. AOTs include UV-based photocatalysis, ozonation, electrochemical oxidation, and Fenton and Fenton-like processes There are some difficulties and challenges associated with AOT, such as being highly capital intensive and high consumption of energy. To overcome these bottlenecks, photocatalytic degradation is a promising method that uses solar energy for the degradation of such pollutants. Photocatalysis is further classified into homogenous and heterogenous photocatalysis. As a part of heterogenous photocatalysis, semiconductor photocatalysts have received great attention; but because of their drawbacks such as the recombination of the electron/hole pair, low adsorption rate, and low surface area coverage, nanotechnology was considered for bringing a novel and enhanced remediation photocatalysis process. To this end, the designing of a more efficient photocatalyst by modifying morphology, composition, and structure and reducing toxicity is the need of the hour for the abatement of environmental pollutants. This review focuses on the degradation and removal of highly toxic persistent organic pollutants by using photocatalytic degradation with a detailed account of the various pollutants, their degradation mechanism, process shortcomings, ...
    Keywords advanced oxidation technologies(AOTs) ; persistent organic pollutants ; remediation ; heterogeneous photocatalysis ; photocatalytic degradation ; Environmental sciences ; GE1-350
    Subject code 333
    Language English
    Publishing date 2022-11-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Lower Limb Nodulo-ulcerative Lesion in Kidney Transplant Recipient - An Unusual Diagnosis.

    Khandelwal, Shikha / Beniwal, Pankaj / Malhotra, Vinay / Gupta, Vartul / Gaur, Nisha

    Indian journal of nephrology

    2020  Volume 30, Issue 6, Page(s) 427–429

    Abstract: A 56-year-old kidney transplant recipient presented with a progressive cauliflower-like growth on the plantar surface of the right foot and on workup found to have chromoblastomycosis, which was successfully treated by antifungal agent and surgical ... ...

    Abstract A 56-year-old kidney transplant recipient presented with a progressive cauliflower-like growth on the plantar surface of the right foot and on workup found to have chromoblastomycosis, which was successfully treated by antifungal agent and surgical excision with no recurrence. Chromoblastomycosis belongs to the heterogeneous group of subcutaneous mycoses. It is caused by various pigmented (dematiaceous) fungi, which gain entry into the skin via traumatic implantation. The case is of interest because it has so far not been reported from the northwest arid zone of India in kidney transplant recipients.
    Language English
    Publishing date 2020-11-19
    Publishing country India
    Document type Case Reports
    ZDB-ID 2134388-3
    ISSN 1998-3662 ; 0971-4065
    ISSN (online) 1998-3662
    ISSN 0971-4065
    DOI 10.4103/ijn.IJN_131_19
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  9. Article: Carbon nanotubes ornamented hollow polymethyl methacrylate microspheres for turbidity removal from water

    Dutta, Dhiraj / Gaur, Nisha / Dubey, Rama / Yadav, Jitendra / Borah, Jyoti Prasad / Puzari, Amrit

    Journal of environmental management. 2022 Feb. 15, v. 304

    2022  

    Abstract: Novel materials with low density are being synthesized with great interest owing to their effectiveness in water purification systems. Materials of micro/nano-scale provide outstanding results in miniature point-of-use devices because of their high ... ...

    Abstract Novel materials with low density are being synthesized with great interest owing to their effectiveness in water purification systems. Materials of micro/nano-scale provide outstanding results in miniature point-of-use devices because of their high surface-to-volume ratio. In this study, we report the successful synthesis of hollow polymethyl methacrylate microspheres (HPM) coated with functionalized carbon nanotubes (f-CNTs) (CHPM) by employing solvent evaporation and in situ coating techniques. The surface coating of HPM with the f-CNTs was visually confirmed by the surface roughness recorded in scanning electron microscopy. Furthermore, characterization with Fourier transform infrared spectroscopy substantiated the presence of hydroxyl and carboxyl groups of f-CNTs on the CHPM. The efficiency of CHPM to remove the turbidity from surface water was evaluated. The CHPM was effective in bringing down the turbidity of the water from 500 NTU to <1 NTU (>97%) which was within the desirable limit of the Bureau of Indian Standards. The temperature and pH for maximum reduction in turbidity were optimized to 49.5 °C and 4.5, respectively. Moreover, kinetic studies of CHPM indicated that the material followed the Langmuir isotherm model with regeneration efficiency lasting more than 10 cycles. From the results, we propose a simple, facile, and cost-effective synthetic route for the synthesis of CHPM for water purification, especially for turbidity removal. The synthesized CHPM with low density and relatively large surface area offer huge potential in water treatment applications and related fields.
    Keywords Fourier transform infrared spectroscopy ; carbon nanotubes ; cost effectiveness ; environmental management ; evaporation ; microparticles ; pH ; polymethylmethacrylate ; solvents ; sorption isotherms ; surface area ; surface roughness ; surface water ; temperature ; turbidity ; water purification
    Language English
    Dates of publication 2022-0215
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 184882-3
    ISSN 1095-8630 ; 0301-4797
    ISSN (online) 1095-8630
    ISSN 0301-4797
    DOI 10.1016/j.jenvman.2021.114242
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  10. Article ; Online: Carbon nanotubes ornamented hollow polymethyl methacrylate microspheres for turbidity removal from water.

    Dutta, Dhiraj / Gaur, Nisha / Dubey, Rama / Yadav, Jitendra / Borah, Jyoti Prasad / Puzari, Amrit

    Journal of environmental management

    2021  Volume 304, Page(s) 114242

    Abstract: Novel materials with low density are being synthesized with great interest owing to their effectiveness in water purification systems. Materials of micro/nano-scale provide outstanding results in miniature point-of-use devices because of their high ... ...

    Abstract Novel materials with low density are being synthesized with great interest owing to their effectiveness in water purification systems. Materials of micro/nano-scale provide outstanding results in miniature point-of-use devices because of their high surface-to-volume ratio. In this study, we report the successful synthesis of hollow polymethyl methacrylate microspheres (HPM) coated with functionalized carbon nanotubes (f-CNTs) (CHPM) by employing solvent evaporation and in situ coating techniques. The surface coating of HPM with the f-CNTs was visually confirmed by the surface roughness recorded in scanning electron microscopy. Furthermore, characterization with Fourier transform infrared spectroscopy substantiated the presence of hydroxyl and carboxyl groups of f-CNTs on the CHPM. The efficiency of CHPM to remove the turbidity from surface water was evaluated. The CHPM was effective in bringing down the turbidity of the water from 500 NTU to <1 NTU (>97%) which was within the desirable limit of the Bureau of Indian Standards. The temperature and pH for maximum reduction in turbidity were optimized to 49.5 °C and 4.5, respectively. Moreover, kinetic studies of CHPM indicated that the material followed the Langmuir isotherm model with regeneration efficiency lasting more than 10 cycles. From the results, we propose a simple, facile, and cost-effective synthetic route for the synthesis of CHPM for water purification, especially for turbidity removal. The synthesized CHPM with low density and relatively large surface area offer huge potential in water treatment applications and related fields.
    MeSH term(s) Adsorption ; Kinetics ; Microspheres ; Nanotubes, Carbon ; Polymethyl Methacrylate ; Spectroscopy, Fourier Transform Infrared ; Water Pollutants, Chemical ; Water Purification
    Chemical Substances Nanotubes, Carbon ; Water Pollutants, Chemical ; Polymethyl Methacrylate (9011-14-7)
    Language English
    Publishing date 2021-12-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 184882-3
    ISSN 1095-8630 ; 0301-4797
    ISSN (online) 1095-8630
    ISSN 0301-4797
    DOI 10.1016/j.jenvman.2021.114242
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    In stock of ZB MED Bonn / Germany

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